MASOP Jewellery Vintage Mens Stainless Steel CZ Ring Gold Biker Celtic Band Blue Round Stone Material: solid 316L stainless steel. Advantage: not tarnish,no rust, no allergies. A slick ring that is comfortable enough to wear around daily. High polished. Exquisite workmanship and comfirt Fit. Ring Width: 2.8cm(1.1 Inch) Wrapped in a good quality gift box.Great choice.